Home / 115,424.20-173,168.70-56,261.80

Finding the Fourth Proportional to 115,424.20, 173,168.70 and 56,261.80

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Solution

The fourth proportional to 115,424.20, 173,168.70 and 56,261.80 is: 84,408.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,424.20 : 173,168.70 = 56,261.80 : x
  2. Step 2: Convert to fraction form
    115,424.20/173,168.70 = 56,261.80/x
  3. Step 3: Cross multiply
    115,424.20x = 173,168.70 × 56,261.80
  4. Step 4: Simplify right side
    115,424.20x = 9,742,782,765.66
  5. Step 5: Solve for x
    x = 9,742,782,765.66/115,424.20
  6. Step 6: Final answer
    x = 84,408.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.